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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. London Birder

    Japan: late October to mid-November

    Hi, I'll be in the Toyota region of Japan (not a country I've visited before) for three weeks from late October and will have plenty of time for birding, but travelling great distances won't be an option. So, are there any productive spots anyone can recomend in that area? Any help appreciated.
  2. London Birder

    Hares at Dublin Airport

    Yes, Mountain Hares of the subspecies hibernicus, I think. They certainly help pass the time whilst waiting for a flight.
  3. London Birder

    Biggest twitches and dips ever

    The biggest 'twitch' I've ever attended wasn't for a bird but the Northern Bottle-nosed Whale that turned up in London in 2006. Literally thousands of people.
  4. London Birder

    Sparrowhawks responsible for House Sparrow decline says scientist

    ... he may get a three minute slot on The One Show.
  5. London Birder

    New Zealand Falcon

    Is anyone aware of any papers on this species and its relationship to other members of the Falconidae? Many thanks.
  6. London Birder

    Sparrowhawks responsible for House Sparrow decline says scientist

    here, here.
  7. London Birder

    Kensington Tawny Owl Help

    one owlet was showing today in a tree adjacent to an adult. Viewing becoming difficult due to leaf-growth.
  8. London Birder

    Kensington Tawny Owl Help

    three owlets now ... http://hpkg.blogspot.com
  9. London Birder

    Harry and lukes big london bird race (help us win our bet)

    I may be able to help with Tawny Owls on those dates. No promises though as leaf growth may inhibit a view.
  10. London Birder

    Long-lost Charadrius Plover

    some nice recent photos here > http://www.birdingetc.com/2011/02/red-hot-plovers.html
  11. London Birder

    Feral Pigeon (Rock Dove)

    I did wonder if there was a parental lock guard facility. Aged as a young bird on account of the brownish irides, underdeveloped cere, and a full set of toes.
  12. London Birder

    Feral Pigeon (Rock Dove)

    Avian eye-candy I always think ...
  13. London Birder

    Sparrowhawk in the warehouse

    Cut a bath sponge into the shape of a House Sparrow, soak it in water, stick it on the end of a long pointy stick, and wave it about. It probably won't do the job but it'll make for a memorable day at work.
  14. London Birder

    Sparrowhawk in the warehouse

    Throw a few crumbs of bread outside the warehouse entrance, hopefully this will attract House Sparrows. On seeing these the Sparrowhawk will immediately depart via said entrance (exit), decimate the sparrow flock, and head off into the wild blue yonder. Or at least that's what ought to happen...
  15. London Birder

    Kensington Tawny Owl Help

    I'll be posting details of this year's owlets when they branch, here > http://hpkg.blogspot.com This will also be an excellent opportunity to connect with the adults for those who haven't yet done so.
  16. London Birder

    What is this, Cheshire, UK?

    It's a leucistic Coal Tit.
  17. London Birder

    Duck - Upper Texas Coast

    male Gadwall
  18. London Birder

    Sparrowhawks responsible for House Sparrow decline says scientist

    There appears to have been an upturn in sparrow fortunes come 1996 when an estimated total of 60 pairs bred. In 1997 there were 25-27 territories in the CBC plots but only 11 in Hyde Park in 1998 (info for adjacent Kensington Gardens for that year amounts to 'bred') and ten-11 pairs in 1999 (one...
  19. London Birder

    Sparrowhawks responsible for House Sparrow decline says scientist

    Spencer F, I can't really add much to what Sanderson published in '95 regarding habitat loss, not much has changed since then to be honest. There certainly remain areas where sparrows could nest. Just no sparrows whatsoever.
  20. London Birder

    Sparrowhawks responsible for House Sparrow decline says scientist

  21. London Birder

    Sparrowhawks responsible for House Sparrow decline says scientist

    In Hyde Park / Kensington Gardens (from Sanderson. 1995); 'The number of potential nest sites has certainly declined. Tree holes, also used extensively by other species, are far fewer following the loss of many hundreds of the older trees to disease and strong winds and many old buildings, like...
  22. London Birder

    Sparrowhawks responsible for House Sparrow decline says scientist

    None that I'm aware of though I can say that I've never seen a single one over the 625 acres in eight years birding the site (usually in excess of 100 site visits per year), though I dare say they occur.
  23. London Birder

    Sparrowhawks responsible for House Sparrow decline says scientist

    Some Hyde Park / Kensington Gardens House Sparrow census figures; Nov 1925: 2,603 Dec 1948: 885 Nov 1966: 642 Nov 1975: 544 Feb 1995: 46 'The reasons speculated for the national decline - changes in farming practices and increased number of predators, including Sparrowhawks - do not seem to...
  24. London Birder

    Are these Black Headed Gulls?

    Kathy, Here's a photo of a Mediterranean Gull. It's an adult in winter. A first-winter MG would also show dark markings on the wing coverts and tertials. However they differ structurally to Black-headed Gull. Apart from normally being a little larger note the relatively long legs and stouter...
  25. London Birder

    What do birders think about climate change?

    That's how I see it.
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